The answer is
A. The heart is a muscular pump that acts to circulate blood to deliver oxygen all over the body.
Answer:
I am pretty sure the answer is B
Explanation:
B. Riding a bike after school
Smoking tobacco, spending time with violent people, and using drugs are all bad and unhealthy behaviors while riding your bike promotes exercise.
Answer:
Random assignment.
Explanation:
Random assignment (also known as random allocation, or randomization), in psychology experiments, is randomly selecting participants or units by the use of chance procedures so that each participant or unit has the same chance (equal likelihood) of being assigned to any particular control or treatment group.
Answer:
yes
Explanation:
if diabetes is a dominant trait it will pass on through the family because both parents have it